activity
20232025
most citedCT Reconstruction using Diffusion Posterior Sampling conditioned on a Nonlinear Measurement Model

13 citations · 13 across the 6 of their papers we have counts for

collaborators

6 papers

physics.med-ph2025

Volumetric Material Decomposition Using Spectral Diffusion Posterior Sampling with a Compressed Polychromatic Forward Model

Xiao Jiang, Grace J. Gang, J. Webster Stayman

We have previously introduced Spectral Diffusion Posterior Sampling (Spectral DPS) as a framework for accurate one-step material decomposition by integrating analytic spectral syst…

physics.med-ph2025

CTorch: PyTorch-Compatible GPU-Accelerated Auto-Differentiable Projector Toolbox for Computed Tomography

Xiao Jiang, Grace J. Gang, J. Webster Stayman

This work introduces CTorch, a PyTorch-compatible, GPU-accelerated, and auto-differentiable projector toolbox designed to handle various CT geometries with configurable projector a…

physics.med-ph2024

Multi-Material Decomposition Using Spectral Diffusion Posterior Sampling

Xiao Jiang, Grace J. Gang, J. Webster Stayman

Many spectral CT applications require accurate material decomposition. Existing material decomposition algorithms are often susceptible to significant noise magnification or, in th…

physics.med-ph2024

Deep Learning CT Image Restoration using System Blur and Noise Models

Yijie Yuan, Grace J. Gang, J. Webster Stayman

The restoration of images affected by blur and noise has been widely studied and has broad potential for applications including in medical imaging modalities like computed tomograp…

eess.IV2024

Strategies for CT Reconstruction using Diffusion Posterior Sampling with a Nonlinear Model

Xiao Jiang, Shudong Li, Peiqing Teng +2

Diffusion Posterior Sampling(DPS) methodology is a novel framework that permits nonlinear CT reconstruction by integrating a diffusion prior and an analytic physical system model,…

physics.med-ph2023★ 13 cited

CT Reconstruction using Diffusion Posterior Sampling conditioned on a Nonlinear Measurement Model

Shudong Li, Xiao Jiang, Matthew Tivnan +3

Diffusion models have been demonstrated as powerful deep learning tools for image generation in CT reconstruction and restoration. Recently, diffusion posterior sampling, where a s…